Home / 18,128,519,347.50-39,012,029,671.50

Finding the Third Proportional to 18,128,519,347.50 and 39,012,029,671.50

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Solution

The third proportional to 18,128,519,347.50 and 39,012,029,671.50 is: 83,952,717,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,519,347.50 : 39,012,029,671.50 = 39,012,029,671.50 : x
  2. Step 2: Convert to fraction form
    18,128,519,347.50/39,012,029,671.50 = 39,012,029,671.50/x
  3. Step 3: Cross multiply
    18,128,519,347.50x = 39,012,029,671.50 × 39,012,029,671.50
  4. Step 4: Simplify right side
    18,128,519,347.50x = 1,521,938,459,089,996,349,440
  5. Step 5: Solve for x
    x = 1,521,938,459,089,996,349,440/18,128,519,347.50
  6. Step 6: Final answer
    x = 83,952,717,258.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.