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Finding the Third Proportional to 2,156,314,988 and 3,312,363,621

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Solution

The third proportional to 2,156,314,988 and 3,312,363,621 is: 5,088,195,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,314,988 : 3,312,363,621 = 3,312,363,621 : x
  2. Step 2: Convert to fraction form
    2,156,314,988/3,312,363,621 = 3,312,363,621/x
  3. Step 3: Cross multiply
    2,156,314,988x = 3,312,363,621 × 3,312,363,621
  4. Step 4: Simplify right side
    2,156,314,988x = 10,971,752,757,724,231,680
  5. Step 5: Solve for x
    x = 10,971,752,757,724,231,680/2,156,314,988
  6. Step 6: Final answer
    x = 5,088,195,750.06

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.