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Finding the Third Proportional to 18,457,071 and 40,387,584

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Solution

The third proportional to 18,457,071 and 40,387,584 is: 88,375,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,071 : 40,387,584 = 40,387,584 : x
  2. Step 2: Convert to fraction form
    18,457,071/40,387,584 = 40,387,584/x
  3. Step 3: Cross multiply
    18,457,071x = 40,387,584 × 40,387,584
  4. Step 4: Simplify right side
    18,457,071x = 1,631,156,941,357,056
  5. Step 5: Solve for x
    x = 1,631,156,941,357,056/18,457,071
  6. Step 6: Final answer
    x = 88,375,720.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.