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Finding the Third Proportional to 8,572,840 and 13,060,242

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Solution

The third proportional to 8,572,840 and 13,060,242 is: 19,896,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572,840 : 13,060,242 = 13,060,242 : x
  2. Step 2: Convert to fraction form
    8,572,840/13,060,242 = 13,060,242/x
  3. Step 3: Cross multiply
    8,572,840x = 13,060,242 × 13,060,242
  4. Step 4: Simplify right side
    8,572,840x = 170,569,921,098,564
  5. Step 5: Solve for x
    x = 170,569,921,098,564/8,572,840
  6. Step 6: Final answer
    x = 19,896,547.83

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.