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Finding the Third Proportional to 8,681,607 and 12,771,471

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Solution

The third proportional to 8,681,607 and 12,771,471 is: 18,788,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,607 : 12,771,471 = 12,771,471 : x
  2. Step 2: Convert to fraction form
    8,681,607/12,771,471 = 12,771,471/x
  3. Step 3: Cross multiply
    8,681,607x = 12,771,471 × 12,771,471
  4. Step 4: Simplify right side
    8,681,607x = 163,110,471,503,841
  5. Step 5: Solve for x
    x = 163,110,471,503,841/8,681,607
  6. Step 6: Final answer
    x = 18,788,050.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.