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Finding the Third Proportional to 21,390,879.38 and 46,701,592.88

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Solution

The third proportional to 21,390,879.38 and 46,701,592.88 is: 101,961,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390,879.38 : 46,701,592.88 = 46,701,592.88 : x
  2. Step 2: Convert to fraction form
    21,390,879.38/46,701,592.88 = 46,701,592.88/x
  3. Step 3: Cross multiply
    21,390,879.38x = 46,701,592.88 × 46,701,592.88
  4. Step 4: Simplify right side
    21,390,879.38x = 2,181,038,777,062,250.75
  5. Step 5: Solve for x
    x = 2,181,038,777,062,250.75/21,390,879.38
  6. Step 6: Final answer
    x = 101,961,155.45

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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.