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Finding the Third Proportional to 3,613,151.81 and 5,319,915.47

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Solution

The third proportional to 3,613,151.81 and 5,319,915.47 is: 7,832,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,151.81 : 5,319,915.47 = 5,319,915.47 : x
  2. Step 2: Convert to fraction form
    3,613,151.81/5,319,915.47 = 5,319,915.47/x
  3. Step 3: Cross multiply
    3,613,151.81x = 5,319,915.47 × 5,319,915.47
  4. Step 4: Simplify right side
    3,613,151.81x = 28,301,500,594,645.53
  5. Step 5: Solve for x
    x = 28,301,500,594,645.53/3,613,151.81
  6. Step 6: Final answer
    x = 7,832,912.11

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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.