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Finding the Third Proportional to 668,374,608 and 1,021,772,508

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Solution

The third proportional to 668,374,608 and 1,021,772,508 is: 1,562,026,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,374,608 : 1,021,772,508 = 1,021,772,508 : x
  2. Step 2: Convert to fraction form
    668,374,608/1,021,772,508 = 1,021,772,508/x
  3. Step 3: Cross multiply
    668,374,608x = 1,021,772,508 × 1,021,772,508
  4. Step 4: Simplify right side
    668,374,608x = 1,044,019,058,104,610,048
  5. Step 5: Solve for x
    x = 1,044,019,058,104,610,048/668,374,608
  6. Step 6: Final answer
    x = 1,562,026,811.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.