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Finding the Third Proportional to 3,487,392.50 and 7,389,646.50

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Solution

The third proportional to 3,487,392.50 and 7,389,646.50 is: 15,658,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,392.50 : 7,389,646.50 = 7,389,646.50 : x
  2. Step 2: Convert to fraction form
    3,487,392.50/7,389,646.50 = 7,389,646.50/x
  3. Step 3: Cross multiply
    3,487,392.50x = 7,389,646.50 × 7,389,646.50
  4. Step 4: Simplify right side
    3,487,392.50x = 54,606,875,394,962.25
  5. Step 5: Solve for x
    x = 54,606,875,394,962.25/3,487,392.50
  6. Step 6: Final answer
    x = 15,658,368.08

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.