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Finding the Third Proportional to 3,117,321 and 4,663,543.50

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Solution

The third proportional to 3,117,321 and 4,663,543.50 is: 6,976,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,321 : 4,663,543.50 = 4,663,543.50 : x
  2. Step 2: Convert to fraction form
    3,117,321/4,663,543.50 = 4,663,543.50/x
  3. Step 3: Cross multiply
    3,117,321x = 4,663,543.50 × 4,663,543.50
  4. Step 4: Simplify right side
    3,117,321x = 21,748,637,976,392.25
  5. Step 5: Solve for x
    x = 21,748,637,976,392.25/3,117,321
  6. Step 6: Final answer
    x = 6,976,707.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.