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Finding the Third Proportional to 13,069,998 and 28,406,815

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Solution

The third proportional to 13,069,998 and 28,406,815 is: 61,740,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,998 : 28,406,815 = 28,406,815 : x
  2. Step 2: Convert to fraction form
    13,069,998/28,406,815 = 28,406,815/x
  3. Step 3: Cross multiply
    13,069,998x = 28,406,815 × 28,406,815
  4. Step 4: Simplify right side
    13,069,998x = 806,947,138,444,225
  5. Step 5: Solve for x
    x = 806,947,138,444,225/13,069,998
  6. Step 6: Final answer
    x = 61,740,417.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.