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Finding the Third Proportional to 163,827,386 and 351,967,556

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Solution

The third proportional to 163,827,386 and 351,967,556 is: 756,168,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,827,386 : 351,967,556 = 351,967,556 : x
  2. Step 2: Convert to fraction form
    163,827,386/351,967,556 = 351,967,556/x
  3. Step 3: Cross multiply
    163,827,386x = 351,967,556 × 351,967,556
  4. Step 4: Simplify right side
    163,827,386x = 123,881,160,476,613,136
  5. Step 5: Solve for x
    x = 123,881,160,476,613,136/163,827,386
  6. Step 6: Final answer
    x = 756,168,815.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.