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Finding the Third Proportional to 117,493,576 and 254,506,640

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Solution

The third proportional to 117,493,576 and 254,506,640 is: 551,295,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,493,576 : 254,506,640 = 254,506,640 : x
  2. Step 2: Convert to fraction form
    117,493,576/254,506,640 = 254,506,640/x
  3. Step 3: Cross multiply
    117,493,576x = 254,506,640 × 254,506,640
  4. Step 4: Simplify right side
    117,493,576x = 64,773,629,804,089,600
  5. Step 5: Solve for x
    x = 64,773,629,804,089,600/117,493,576
  6. Step 6: Final answer
    x = 551,295,075.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.