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Finding the Third Proportional to 989,637,120 and 1,452,103,254

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Solution

The third proportional to 989,637,120 and 1,452,103,254 is: 2,130,683,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,637,120 : 1,452,103,254 = 1,452,103,254 : x
  2. Step 2: Convert to fraction form
    989,637,120/1,452,103,254 = 1,452,103,254/x
  3. Step 3: Cross multiply
    989,637,120x = 1,452,103,254 × 1,452,103,254
  4. Step 4: Simplify right side
    989,637,120x = 2,108,603,860,277,388,544
  5. Step 5: Solve for x
    x = 2,108,603,860,277,388,544/989,637,120
  6. Step 6: Final answer
    x = 2,130,683,881.66

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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.