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Finding the Third Proportional to 91,210,818.50 and 141,351,655.50

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Solution

The third proportional to 91,210,818.50 and 141,351,655.50 is: 219,056,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,210,818.50 : 141,351,655.50 = 141,351,655.50 : x
  2. Step 2: Convert to fraction form
    91,210,818.50/141,351,655.50 = 141,351,655.50/x
  3. Step 3: Cross multiply
    91,210,818.50x = 141,351,655.50 × 141,351,655.50
  4. Step 4: Simplify right side
    91,210,818.50x = 19,980,290,512,590,680
  5. Step 5: Solve for x
    x = 19,980,290,512,590,680/91,210,818.50
  6. Step 6: Final answer
    x = 219,056,147.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.