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Finding the Third Proportional to 21,810,950 and 45,878,240

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Solution

The third proportional to 21,810,950 and 45,878,240 is: 96,502,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,950 : 45,878,240 = 45,878,240 : x
  2. Step 2: Convert to fraction form
    21,810,950/45,878,240 = 45,878,240/x
  3. Step 3: Cross multiply
    21,810,950x = 45,878,240 × 45,878,240
  4. Step 4: Simplify right side
    21,810,950x = 2,104,812,905,497,600
  5. Step 5: Solve for x
    x = 2,104,812,905,497,600/21,810,950
  6. Step 6: Final answer
    x = 96,502,578.09

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.