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Finding the Third Proportional to 1,243,809,860 and 2,721,927,304

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Solution

The third proportional to 1,243,809,860 and 2,721,927,304 is: 5,956,608,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,809,860 : 2,721,927,304 = 2,721,927,304 : x
  2. Step 2: Convert to fraction form
    1,243,809,860/2,721,927,304 = 2,721,927,304/x
  3. Step 3: Cross multiply
    1,243,809,860x = 2,721,927,304 × 2,721,927,304
  4. Step 4: Simplify right side
    1,243,809,860x = 7,408,888,248,260,708,352
  5. Step 5: Solve for x
    x = 7,408,888,248,260,708,352/1,243,809,860
  6. Step 6: Final answer
    x = 5,956,608,390.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.