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Finding the Third Proportional to 8,687,534 and 12,985,373

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Solution

The third proportional to 8,687,534 and 12,985,373 is: 19,409,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,534 : 12,985,373 = 12,985,373 : x
  2. Step 2: Convert to fraction form
    8,687,534/12,985,373 = 12,985,373/x
  3. Step 3: Cross multiply
    8,687,534x = 12,985,373 × 12,985,373
  4. Step 4: Simplify right side
    8,687,534x = 168,619,911,949,129
  5. Step 5: Solve for x
    x = 168,619,911,949,129/8,687,534
  6. Step 6: Final answer
    x = 19,409,410.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.