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Finding the Third Proportional to 255,518,372 and 555,877,066

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Solution

The third proportional to 255,518,372 and 555,877,066 is: 1,209,303,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,518,372 : 555,877,066 = 555,877,066 : x
  2. Step 2: Convert to fraction form
    255,518,372/555,877,066 = 555,877,066/x
  3. Step 3: Cross multiply
    255,518,372x = 555,877,066 × 555,877,066
  4. Step 4: Simplify right side
    255,518,372x = 308,999,312,504,768,384
  5. Step 5: Solve for x
    x = 308,999,312,504,768,384/255,518,372
  6. Step 6: Final answer
    x = 1,209,303,699.32

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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.