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Finding the Third Proportional to 463,407,979.50 and 699,421,486.50

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Solution

The third proportional to 463,407,979.50 and 699,421,486.50 is: 1,055,636,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,407,979.50 : 699,421,486.50 = 699,421,486.50 : x
  2. Step 2: Convert to fraction form
    463,407,979.50/699,421,486.50 = 699,421,486.50/x
  3. Step 3: Cross multiply
    463,407,979.50x = 699,421,486.50 × 699,421,486.50
  4. Step 4: Simplify right side
    463,407,979.50x = 489,190,415,777,869,696
  5. Step 5: Solve for x
    x = 489,190,415,777,869,696/463,407,979.50
  6. Step 6: Final answer
    x = 1,055,636,582.49

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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.