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Finding the Third Proportional to 502,281 and 1,215,607.50

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Solution

The third proportional to 502,281 and 1,215,607.50 is: 2,941,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,281 : 1,215,607.50 = 1,215,607.50 : x
  2. Step 2: Convert to fraction form
    502,281/1,215,607.50 = 1,215,607.50/x
  3. Step 3: Cross multiply
    502,281x = 1,215,607.50 × 1,215,607.50
  4. Step 4: Simplify right side
    502,281x = 1,477,701,594,056.25
  5. Step 5: Solve for x
    x = 1,477,701,594,056.25/502,281
  6. Step 6: Final answer
    x = 2,941,981.87

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.