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Finding the Third Proportional to 319,046,009.63 and 692,542,841.63

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Solution

The third proportional to 319,046,009.63 and 692,542,841.63 is: 1,503,280,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,046,009.63 : 692,542,841.63 = 692,542,841.63 : x
  2. Step 2: Convert to fraction form
    319,046,009.63/692,542,841.63 = 692,542,841.63/x
  3. Step 3: Cross multiply
    319,046,009.63x = 692,542,841.63 × 692,542,841.63
  4. Step 4: Simplify right side
    319,046,009.63x = 479,615,587,486,029,824
  5. Step 5: Solve for x
    x = 479,615,587,486,029,824/319,046,009.63
  6. Step 6: Final answer
    x = 1,503,280,320.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.