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Finding the Third Proportional to 1,341,681.47 and 2,136,987.56

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Solution

The third proportional to 1,341,681.47 and 2,136,987.56 is: 3,403,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,681.47 : 2,136,987.56 = 2,136,987.56 : x
  2. Step 2: Convert to fraction form
    1,341,681.47/2,136,987.56 = 2,136,987.56/x
  3. Step 3: Cross multiply
    1,341,681.47x = 2,136,987.56 × 2,136,987.56
  4. Step 4: Simplify right side
    1,341,681.47x = 4,566,715,842,279.69
  5. Step 5: Solve for x
    x = 4,566,715,842,279.69/1,341,681.47
  6. Step 6: Final answer
    x = 3,403,725.81

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.