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Finding the Third Proportional to 247,113.75 and 539,547

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Solution

The third proportional to 247,113.75 and 539,547 is: 1,178,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,113.75 : 539,547 = 539,547 : x
  2. Step 2: Convert to fraction form
    247,113.75/539,547 = 539,547/x
  3. Step 3: Cross multiply
    247,113.75x = 539,547 × 539,547
  4. Step 4: Simplify right side
    247,113.75x = 291,110,965,209
  5. Step 5: Solve for x
    x = 291,110,965,209/247,113.75
  6. Step 6: Final answer
    x = 1,178,044.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.