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Finding the Third Proportional to 6,655,221 and 14,319,216

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Solution

The third proportional to 6,655,221 and 14,319,216 is: 30,808,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,221 : 14,319,216 = 14,319,216 : x
  2. Step 2: Convert to fraction form
    6,655,221/14,319,216 = 14,319,216/x
  3. Step 3: Cross multiply
    6,655,221x = 14,319,216 × 14,319,216
  4. Step 4: Simplify right side
    6,655,221x = 205,039,946,854,656
  5. Step 5: Solve for x
    x = 205,039,946,854,656/6,655,221
  6. Step 6: Final answer
    x = 30,808,886.26

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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.