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Finding the Third Proportional to 255,518,379 and 555,877,080

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Solution

The third proportional to 255,518,379 and 555,877,080 is: 1,209,303,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,518,379 : 555,877,080 = 555,877,080 : x
  2. Step 2: Convert to fraction form
    255,518,379/555,877,080 = 555,877,080/x
  3. Step 3: Cross multiply
    255,518,379x = 555,877,080 × 555,877,080
  4. Step 4: Simplify right side
    255,518,379x = 308,999,328,069,326,400
  5. Step 5: Solve for x
    x = 308,999,328,069,326,400/255,518,379
  6. Step 6: Final answer
    x = 1,209,303,727.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.