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Finding the Third Proportional to 6,915,390 and 10,148,877

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Solution

The third proportional to 6,915,390 and 10,148,877 is: 14,894,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,390 : 10,148,877 = 10,148,877 : x
  2. Step 2: Convert to fraction form
    6,915,390/10,148,877 = 10,148,877/x
  3. Step 3: Cross multiply
    6,915,390x = 10,148,877 × 10,148,877
  4. Step 4: Simplify right side
    6,915,390x = 102,999,704,361,129
  5. Step 5: Solve for x
    x = 102,999,704,361,129/6,915,390
  6. Step 6: Final answer
    x = 14,894,272.68

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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.