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Finding the Third Proportional to 15,672,869 and 33,242,117

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Solution

The third proportional to 15,672,869 and 33,242,117 is: 70,506,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,869 : 33,242,117 = 33,242,117 : x
  2. Step 2: Convert to fraction form
    15,672,869/33,242,117 = 33,242,117/x
  3. Step 3: Cross multiply
    15,672,869x = 33,242,117 × 33,242,117
  4. Step 4: Simplify right side
    15,672,869x = 1,105,038,342,641,689
  5. Step 5: Solve for x
    x = 1,105,038,342,641,689/15,672,869
  6. Step 6: Final answer
    x = 70,506,449.24

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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.