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Finding the Third Proportional to 8,987,270.63 and 19,656,059.06

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Solution

The third proportional to 8,987,270.63 and 19,656,059.06 is: 42,989,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,270.63 : 19,656,059.06 = 19,656,059.06 : x
  2. Step 2: Convert to fraction form
    8,987,270.63/19,656,059.06 = 19,656,059.06/x
  3. Step 3: Cross multiply
    8,987,270.63x = 19,656,059.06 × 19,656,059.06
  4. Step 4: Simplify right side
    8,987,270.63x = 386,360,657,868,488.38
  5. Step 5: Solve for x
    x = 386,360,657,868,488.38/8,987,270.63
  6. Step 6: Final answer
    x = 42,989,765.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.