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Finding the Third Proportional to 30,279,835 and 65,670,688

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Solution

The third proportional to 30,279,835 and 65,670,688 is: 142,426,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,835 : 65,670,688 = 65,670,688 : x
  2. Step 2: Convert to fraction form
    30,279,835/65,670,688 = 65,670,688/x
  3. Step 3: Cross multiply
    30,279,835x = 65,670,688 × 65,670,688
  4. Step 4: Simplify right side
    30,279,835x = 4,312,639,262,393,344
  5. Step 5: Solve for x
    x = 4,312,639,262,393,344/30,279,835
  6. Step 6: Final answer
    x = 142,426,115.02

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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.