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Finding the Third Proportional to 7,856,440 and 16,913,584

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Solution

The third proportional to 7,856,440 and 16,913,584 is: 36,412,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,440 : 16,913,584 = 16,913,584 : x
  2. Step 2: Convert to fraction form
    7,856,440/16,913,584 = 16,913,584/x
  3. Step 3: Cross multiply
    7,856,440x = 16,913,584 × 16,913,584
  4. Step 4: Simplify right side
    7,856,440x = 286,069,323,725,056
  5. Step 5: Solve for x
    x = 286,069,323,725,056/7,856,440
  6. Step 6: Final answer
    x = 36,412,080.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.