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Finding the Third Proportional to 143,925,569 and 310,831,345

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Solution

The third proportional to 143,925,569 and 310,831,345 is: 671,292,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,925,569 : 310,831,345 = 310,831,345 : x
  2. Step 2: Convert to fraction form
    143,925,569/310,831,345 = 310,831,345/x
  3. Step 3: Cross multiply
    143,925,569x = 310,831,345 × 310,831,345
  4. Step 4: Simplify right side
    143,925,569x = 96,616,125,034,509,024
  5. Step 5: Solve for x
    x = 96,616,125,034,509,024/143,925,569
  6. Step 6: Final answer
    x = 671,292,291.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.