Finding the Third Proportional to 306,243,990 and 672,009,372
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Solution
The third proportional to 306,243,990 and 672,009,372 is: 1,474,630,068.84
Step by Step Solution
- Step 1: Write the proportion equation
306,243,990 : 672,009,372 = 672,009,372 : x - Step 2: Convert to fraction form
306,243,990/672,009,372 = 672,009,372/x - Step 3: Cross multiply
306,243,990x = 672,009,372 × 672,009,372 - Step 4: Simplify right side
306,243,990x = 451,596,596,055,834,368 - Step 5: Solve for x
x = 451,596,596,055,834,368/306,243,990 - Step 6: Final answer
x = 1,474,630,068.84
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.