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Finding the Third Proportional to 97,159.50 and 212,319

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Solution

The third proportional to 97,159.50 and 212,319 is: 463,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,159.50 : 212,319 = 212,319 : x
  2. Step 2: Convert to fraction form
    97,159.50/212,319 = 212,319/x
  3. Step 3: Cross multiply
    97,159.50x = 212,319 × 212,319
  4. Step 4: Simplify right side
    97,159.50x = 45,079,357,761
  5. Step 5: Solve for x
    x = 45,079,357,761/97,159.50
  6. Step 6: Final answer
    x = 463,972.72

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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.