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Finding the Third Proportional to 313,048,652 and 680,038,688

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Solution

The third proportional to 313,048,652 and 680,038,688 is: 1,477,254,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,048,652 : 680,038,688 = 680,038,688 : x
  2. Step 2: Convert to fraction form
    313,048,652/680,038,688 = 680,038,688/x
  3. Step 3: Cross multiply
    313,048,652x = 680,038,688 × 680,038,688
  4. Step 4: Simplify right side
    313,048,652x = 462,452,617,176,761,344
  5. Step 5: Solve for x
    x = 462,452,617,176,761,344/313,048,652
  6. Step 6: Final answer
    x = 1,477,254,778.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.