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Finding the Third Proportional to 61,987.78 and 134,492.91

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Solution

The third proportional to 61,987.78 and 134,492.91 is: 291,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987.78 : 134,492.91 = 134,492.91 : x
  2. Step 2: Convert to fraction form
    61,987.78/134,492.91 = 134,492.91/x
  3. Step 3: Cross multiply
    61,987.78x = 134,492.91 × 134,492.91
  4. Step 4: Simplify right side
    61,987.78x = 18,088,341,831.57
  5. Step 5: Solve for x
    x = 18,088,341,831.57/61,987.78
  6. Step 6: Final answer
    x = 291,804.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.