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Finding the Third Proportional to 8,708,391 and 12,182,319

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Solution

The third proportional to 8,708,391 and 12,182,319 is: 17,042,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,391 : 12,182,319 = 12,182,319 : x
  2. Step 2: Convert to fraction form
    8,708,391/12,182,319 = 12,182,319/x
  3. Step 3: Cross multiply
    8,708,391x = 12,182,319 × 12,182,319
  4. Step 4: Simplify right side
    8,708,391x = 148,408,896,217,761
  5. Step 5: Solve for x
    x = 148,408,896,217,761/8,708,391
  6. Step 6: Final answer
    x = 17,042,057.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.