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Finding the Third Proportional to 389,963,666 and 573,004,443

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Solution

The third proportional to 389,963,666 and 573,004,443 is: 841,960,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,963,666 : 573,004,443 = 573,004,443 : x
  2. Step 2: Convert to fraction form
    389,963,666/573,004,443 = 573,004,443/x
  3. Step 3: Cross multiply
    389,963,666x = 573,004,443 × 573,004,443
  4. Step 4: Simplify right side
    389,963,666x = 328,334,091,697,740,224
  5. Step 5: Solve for x
    x = 328,334,091,697,740,224/389,963,666
  6. Step 6: Final answer
    x = 841,960,726.92

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.