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Finding the Third Proportional to 65,106,720 and 100,720,440

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Solution

The third proportional to 65,106,720 and 100,720,440 is: 155,815,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106,720 : 100,720,440 = 100,720,440 : x
  2. Step 2: Convert to fraction form
    65,106,720/100,720,440 = 100,720,440/x
  3. Step 3: Cross multiply
    65,106,720x = 100,720,440 × 100,720,440
  4. Step 4: Simplify right side
    65,106,720x = 10,144,607,033,793,600
  5. Step 5: Solve for x
    x = 10,144,607,033,793,600/65,106,720
  6. Step 6: Final answer
    x = 155,815,053.10

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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.