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Finding the Third Proportional to 408,646,256 and 907,991,776

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Solution

The third proportional to 408,646,256 and 907,991,776 is: 2,017,512,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,646,256 : 907,991,776 = 907,991,776 : x
  2. Step 2: Convert to fraction form
    408,646,256/907,991,776 = 907,991,776/x
  3. Step 3: Cross multiply
    408,646,256x = 907,991,776 × 907,991,776
  4. Step 4: Simplify right side
    408,646,256x = 824,449,065,283,634,176
  5. Step 5: Solve for x
    x = 824,449,065,283,634,176/408,646,256
  6. Step 6: Final answer
    x = 2,017,512,832.13

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.