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Finding the Third Proportional to 85,672,886.63 and 130,518,082.13

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Solution

The third proportional to 85,672,886.63 and 130,518,082.13 is: 198,837,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,886.63 : 130,518,082.13 = 130,518,082.13 : x
  2. Step 2: Convert to fraction form
    85,672,886.63/130,518,082.13 = 130,518,082.13/x
  3. Step 3: Cross multiply
    85,672,886.63x = 130,518,082.13 × 130,518,082.13
  4. Step 4: Simplify right side
    85,672,886.63x = 17,034,969,761,588,244
  5. Step 5: Solve for x
    x = 17,034,969,761,588,244/85,672,886.63
  6. Step 6: Final answer
    x = 198,837,350.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.