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Finding the Third Proportional to 8,647,587 and 12,711,133

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Solution

The third proportional to 8,647,587 and 12,711,133 is: 18,684,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,587 : 12,711,133 = 12,711,133 : x
  2. Step 2: Convert to fraction form
    8,647,587/12,711,133 = 12,711,133/x
  3. Step 3: Cross multiply
    8,647,587x = 12,711,133 × 12,711,133
  4. Step 4: Simplify right side
    8,647,587x = 161,572,902,143,689
  5. Step 5: Solve for x
    x = 161,572,902,143,689/8,647,587
  6. Step 6: Final answer
    x = 18,684,160.35

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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.