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Finding the Third Proportional to 3,155,448 and 6,911,547

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Solution

The third proportional to 3,155,448 and 6,911,547 is: 15,138,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,448 : 6,911,547 = 6,911,547 : x
  2. Step 2: Convert to fraction form
    3,155,448/6,911,547 = 6,911,547/x
  3. Step 3: Cross multiply
    3,155,448x = 6,911,547 × 6,911,547
  4. Step 4: Simplify right side
    3,155,448x = 47,769,481,933,209
  5. Step 5: Solve for x
    x = 47,769,481,933,209/3,155,448
  6. Step 6: Final answer
    x = 15,138,732.10

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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.