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Finding the Third Proportional to 6,403,421.25 and 9,365,473.13

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Solution

The third proportional to 6,403,421.25 and 9,365,473.13 is: 13,697,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,421.25 : 9,365,473.13 = 9,365,473.13 : x
  2. Step 2: Convert to fraction form
    6,403,421.25/9,365,473.13 = 9,365,473.13/x
  3. Step 3: Cross multiply
    6,403,421.25x = 9,365,473.13 × 9,365,473.13
  4. Step 4: Simplify right side
    6,403,421.25x = 87,712,086,855,097.27
  5. Step 5: Solve for x
    x = 87,712,086,855,097.27/6,403,421.25
  6. Step 6: Final answer
    x = 13,697,691.19

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.