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Finding the Third Proportional to 435,521,988 and 665,780,802.75

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Solution

The third proportional to 435,521,988 and 665,780,802.75 is: 1,017,776,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,521,988 : 665,780,802.75 = 665,780,802.75 : x
  2. Step 2: Convert to fraction form
    435,521,988/665,780,802.75 = 665,780,802.75/x
  3. Step 3: Cross multiply
    435,521,988x = 665,780,802.75 × 665,780,802.75
  4. Step 4: Simplify right side
    435,521,988x = 443,264,077,310,434,432
  5. Step 5: Solve for x
    x = 443,264,077,310,434,432/435,521,988
  6. Step 6: Final answer
    x = 1,017,776,575.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.