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Finding the Third Proportional to 63,608,598.21 and 138,480,690.02

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Solution

The third proportional to 63,608,598.21 and 138,480,690.02 is: 301,482,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,608,598.21 : 138,480,690.02 = 138,480,690.02 : x
  2. Step 2: Convert to fraction form
    63,608,598.21/138,480,690.02 = 138,480,690.02/x
  3. Step 3: Cross multiply
    63,608,598.21x = 138,480,690.02 × 138,480,690.02
  4. Step 4: Simplify right side
    63,608,598.21x = 19,176,901,509,368,076
  5. Step 5: Solve for x
    x = 19,176,901,509,368,076/63,608,598.21
  6. Step 6: Final answer
    x = 301,482,850.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.