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Finding the Third Proportional to 618,879,778 and 936,292,335

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Solution

The third proportional to 618,879,778 and 936,292,335 is: 1,416,500,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,879,778 : 936,292,335 = 936,292,335 : x
  2. Step 2: Convert to fraction form
    618,879,778/936,292,335 = 936,292,335/x
  3. Step 3: Cross multiply
    618,879,778x = 936,292,335 × 936,292,335
  4. Step 4: Simplify right side
    618,879,778x = 876,643,336,579,752,192
  5. Step 5: Solve for x
    x = 876,643,336,579,752,192/618,879,778
  6. Step 6: Final answer
    x = 1,416,500,211.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.