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Finding the Third Proportional to 255,518,370 and 555,877,062

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Solution

The third proportional to 255,518,370 and 555,877,062 is: 1,209,303,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,518,370 : 555,877,062 = 555,877,062 : x
  2. Step 2: Convert to fraction form
    255,518,370/555,877,062 = 555,877,062/x
  3. Step 3: Cross multiply
    255,518,370x = 555,877,062 × 555,877,062
  4. Step 4: Simplify right side
    255,518,370x = 308,999,308,057,751,872
  5. Step 5: Solve for x
    x = 308,999,308,057,751,872/255,518,370
  6. Step 6: Final answer
    x = 1,209,303,691.39

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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.