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Finding the Third Proportional to 356,610,699 and 776,530,332

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Solution

The third proportional to 356,610,699 and 776,530,332 is: 1,690,917,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,610,699 : 776,530,332 = 776,530,332 : x
  2. Step 2: Convert to fraction form
    356,610,699/776,530,332 = 776,530,332/x
  3. Step 3: Cross multiply
    356,610,699x = 776,530,332 × 776,530,332
  4. Step 4: Simplify right side
    356,610,699x = 602,999,356,516,030,208
  5. Step 5: Solve for x
    x = 602,999,356,516,030,208/356,610,699
  6. Step 6: Final answer
    x = 1,690,917,738.05

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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.