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Finding the Third Proportional to 18,114,240 and 39,587,712

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Solution

The third proportional to 18,114,240 and 39,587,712 is: 86,516,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114,240 : 39,587,712 = 39,587,712 : x
  2. Step 2: Convert to fraction form
    18,114,240/39,587,712 = 39,587,712/x
  3. Step 3: Cross multiply
    18,114,240x = 39,587,712 × 39,587,712
  4. Step 4: Simplify right side
    18,114,240x = 1,567,186,941,394,944
  5. Step 5: Solve for x
    x = 1,567,186,941,394,944/18,114,240
  6. Step 6: Final answer
    x = 86,516,847.60

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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.