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Finding the Third Proportional to 13,157,972 and 19,736,958

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Solution

The third proportional to 13,157,972 and 19,736,958 is: 29,605,437

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,972 : 19,736,958 = 19,736,958 : x
  2. Step 2: Convert to fraction form
    13,157,972/19,736,958 = 19,736,958/x
  3. Step 3: Cross multiply
    13,157,972x = 19,736,958 × 19,736,958
  4. Step 4: Simplify right side
    13,157,972x = 389,547,511,093,764
  5. Step 5: Solve for x
    x = 389,547,511,093,764/13,157,972
  6. Step 6: Final answer
    x = 29,605,437

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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.