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Finding the Third Proportional to 13,106,643 and 28,732,709

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Solution

The third proportional to 13,106,643 and 28,732,709 is: 62,988,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,643 : 28,732,709 = 28,732,709 : x
  2. Step 2: Convert to fraction form
    13,106,643/28,732,709 = 28,732,709/x
  3. Step 3: Cross multiply
    13,106,643x = 28,732,709 × 28,732,709
  4. Step 4: Simplify right side
    13,106,643x = 825,568,566,478,681
  5. Step 5: Solve for x
    x = 825,568,566,478,681/13,106,643
  6. Step 6: Final answer
    x = 62,988,559.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.