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Finding the Third Proportional to 10,220,461 and 15,709,555

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Solution

The third proportional to 10,220,461 and 15,709,555 is: 24,146,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,461 : 15,709,555 = 15,709,555 : x
  2. Step 2: Convert to fraction form
    10,220,461/15,709,555 = 15,709,555/x
  3. Step 3: Cross multiply
    10,220,461x = 15,709,555 × 15,709,555
  4. Step 4: Simplify right side
    10,220,461x = 246,790,118,298,025
  5. Step 5: Solve for x
    x = 246,790,118,298,025/10,220,461
  6. Step 6: Final answer
    x = 24,146,671.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.