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Finding the Third Proportional to 155,510,438 and 334,098,985

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Solution

The third proportional to 155,510,438 and 334,098,985 is: 717,779,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,510,438 : 334,098,985 = 334,098,985 : x
  2. Step 2: Convert to fraction form
    155,510,438/334,098,985 = 334,098,985/x
  3. Step 3: Cross multiply
    155,510,438x = 334,098,985 × 334,098,985
  4. Step 4: Simplify right side
    155,510,438x = 111,622,131,778,030,224
  5. Step 5: Solve for x
    x = 111,622,131,778,030,224/155,510,438
  6. Step 6: Final answer
    x = 717,779,032.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.