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Finding the Third Proportional to 347,358 and 521,878.50

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Solution

The third proportional to 347,358 and 521,878.50 is: 784,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,358 : 521,878.50 = 521,878.50 : x
  2. Step 2: Convert to fraction form
    347,358/521,878.50 = 521,878.50/x
  3. Step 3: Cross multiply
    347,358x = 521,878.50 × 521,878.50
  4. Step 4: Simplify right side
    347,358x = 272,357,168,762.25
  5. Step 5: Solve for x
    x = 272,357,168,762.25/347,358
  6. Step 6: Final answer
    x = 784,082.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.