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Finding the Third Proportional to 7,173,688 and 15,480,636

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Solution

The third proportional to 7,173,688 and 15,480,636 is: 33,406,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,688 : 15,480,636 = 15,480,636 : x
  2. Step 2: Convert to fraction form
    7,173,688/15,480,636 = 15,480,636/x
  3. Step 3: Cross multiply
    7,173,688x = 15,480,636 × 15,480,636
  4. Step 4: Simplify right side
    7,173,688x = 239,650,090,964,496
  5. Step 5: Solve for x
    x = 239,650,090,964,496/7,173,688
  6. Step 6: Final answer
    x = 33,406,818.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.