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Finding the Third Proportional to 4,718,712 and 10,320,540

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Solution

The third proportional to 4,718,712 and 10,320,540 is: 22,572,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718,712 : 10,320,540 = 10,320,540 : x
  2. Step 2: Convert to fraction form
    4,718,712/10,320,540 = 10,320,540/x
  3. Step 3: Cross multiply
    4,718,712x = 10,320,540 × 10,320,540
  4. Step 4: Simplify right side
    4,718,712x = 106,513,545,891,600
  5. Step 5: Solve for x
    x = 106,513,545,891,600/4,718,712
  6. Step 6: Final answer
    x = 22,572,588.85

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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.