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Finding the Third Proportional to 7,721,046 and 15,248,340

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Solution

The third proportional to 7,721,046 and 15,248,340 is: 30,114,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,046 : 15,248,340 = 15,248,340 : x
  2. Step 2: Convert to fraction form
    7,721,046/15,248,340 = 15,248,340/x
  3. Step 3: Cross multiply
    7,721,046x = 15,248,340 × 15,248,340
  4. Step 4: Simplify right side
    7,721,046x = 232,511,872,755,600
  5. Step 5: Solve for x
    x = 232,511,872,755,600/7,721,046
  6. Step 6: Final answer
    x = 30,114,038.01

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.