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Finding the Third Proportional to 447,916,440 and 695,457,360

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Solution

The third proportional to 447,916,440 and 695,457,360 is: 1,079,801,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,916,440 : 695,457,360 = 695,457,360 : x
  2. Step 2: Convert to fraction form
    447,916,440/695,457,360 = 695,457,360/x
  3. Step 3: Cross multiply
    447,916,440x = 695,457,360 × 695,457,360
  4. Step 4: Simplify right side
    447,916,440x = 483,660,939,578,169,600
  5. Step 5: Solve for x
    x = 483,660,939,578,169,600/447,916,440
  6. Step 6: Final answer
    x = 1,079,801,713.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.