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Finding the Third Proportional to 78,656,190.75 and 119,077,381.13

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Solution

The third proportional to 78,656,190.75 and 119,077,381.13 is: 180,270,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,656,190.75 : 119,077,381.13 = 119,077,381.13 : x
  2. Step 2: Convert to fraction form
    78,656,190.75/119,077,381.13 = 119,077,381.13/x
  3. Step 3: Cross multiply
    78,656,190.75x = 119,077,381.13 × 119,077,381.13
  4. Step 4: Simplify right side
    78,656,190.75x = 14,179,422,695,588,506
  5. Step 5: Solve for x
    x = 14,179,422,695,588,506/78,656,190.75
  6. Step 6: Final answer
    x = 180,270,905.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.