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Finding the Third Proportional to 20,817,877.50 and 45,110,979

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Solution

The third proportional to 20,817,877.50 and 45,110,979 is: 97,752,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,877.50 : 45,110,979 = 45,110,979 : x
  2. Step 2: Convert to fraction form
    20,817,877.50/45,110,979 = 45,110,979/x
  3. Step 3: Cross multiply
    20,817,877.50x = 45,110,979 × 45,110,979
  4. Step 4: Simplify right side
    20,817,877.50x = 2,035,000,426,338,441
  5. Step 5: Solve for x
    x = 2,035,000,426,338,441/20,817,877.50
  6. Step 6: Final answer
    x = 97,752,541.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.